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All results from a given calculation for Zn(CH3)2 (dimethyl zinc)

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-1859.347537
Energy at 298.15K-1859.352912
HF Energy-1859.347537
Nuclear repulsion energy163.945788
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYPultrafine/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1' 3019 2921 0.00      
2 A1' 1205 1166 0.00      
3 A1' 495 479 0.00      
4 A1" 4 4 0.00      
5 A2" 3017 2919 43.53      
6 A2" 1208 1168 3.08      
7 A2" 598 579 48.04      
8 E' 3087 2987 30.54      
8 E' 3087 2987 30.54      
9 E' 1459 1412 0.97      
9 E' 1459 1412 0.97      
10 E' 717 693 50.48      
10 E' 717 693 50.49      
11 E' 136 132 2.65      
11 E' 136 132 2.65      
12 E" 3087 2987 0.00      
12 E" 3087 2987 0.00      
13 E" 1454 1407 0.00      
13 E" 1454 1407 0.00      
14 E" 626 605 0.00      
14 E" 626 605 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15339.7 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 14841.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYPultrafine/aug-cc-pVTZ
ABC
2.68623 0.13128 0.13128

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Zn1 0.000 0.000 0.000
C2 0.000 0.000 1.956
C3 0.000 0.000 -1.956
H4 0.000 1.017 2.353
H5 0.000 1.017 -2.353
H6 -0.881 -0.509 2.353
H7 0.881 -0.509 2.353
H8 0.881 -0.509 -2.353
H9 -0.881 -0.509 -2.353

Atom - Atom Distances (Å)
  Zn1 C2 C3 H4 H5 H6 H7 H8 H9
Zn11.95591.95592.56332.56332.56332.56332.56332.5633
C21.95593.91171.09214.42711.09211.09214.42714.4271
C31.95593.91174.42711.09214.42714.42711.09211.0921
H42.56331.09214.42714.70551.76221.76225.02465.0246
H52.56334.42711.09214.70555.02465.02461.76221.7622
H62.56331.09214.42711.76225.02461.76225.02464.7055
H72.56331.09214.42711.76225.02461.76224.70555.0246
H82.56334.42711.09215.02461.76225.02464.70551.7622
H92.56334.42711.09215.02461.76224.70555.02461.7622

picture of dimethyl zinc state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Zn1 C2 H4 111.309 Zn1 C2 H6 111.309
Zn1 C2 H7 111.309 Zn1 C3 H5 111.309
Zn1 C3 H8 111.309 Zn1 C3 H9 111.309
C2 Zn1 C3 180.000 H4 C2 H6 107.572
H4 C2 H7 107.572 H5 C3 H8 107.572
H5 C3 H9 107.572 H6 C2 H7 107.572
H8 C3 H9 107.572
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Zn 0.321      
2 C -0.808      
3 C -0.808      
4 H 0.216      
5 H 0.216      
6 H 0.216      
7 H 0.216      
8 H 0.216      
9 H 0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.146 0.000 0.000
y 0.000 -28.146 0.000
z 0.000 0.000 -34.841
Traceless
 xyz
x 3.347 0.000 0.000
y 0.000 3.347 0.000
z 0.000 0.000 -6.695
Polar
3z2-r2-13.390
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.571 0.000 0.000
y 0.000 6.571 0.000
z 0.000 0.000 11.243


<r2> (average value of r2) Å2
<r2> 104.261
(<r2>)1/2 10.211